diff --git a/protos/Family.proto b/protos/Family.proto
index 16b5248..fd064c4 100644
--- a/protos/Family.proto
+++ b/protos/Family.proto
@@ -64,7 +64,7 @@ import "CommonProto.proto";
 	
 	message FamilyBuildBuffInfo{
 		optional int32 buildId = 1;
-		optional int32 buffId = 2;
+		repeated int32 buffId = 2;
 	}
 	
 	message FamilyFightPlayerInfo{